EP1132195A2 - Oberflächenbehandlung oder Beschichtung bahnförmiger Werkstoffe mittels eines indirekten atmosphärischen Plasmatrons - Google Patents
Oberflächenbehandlung oder Beschichtung bahnförmiger Werkstoffe mittels eines indirekten atmosphärischen Plasmatrons Download PDFInfo
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- EP1132195A2 EP1132195A2 EP01103656A EP01103656A EP1132195A2 EP 1132195 A2 EP1132195 A2 EP 1132195A2 EP 01103656 A EP01103656 A EP 01103656A EP 01103656 A EP01103656 A EP 01103656A EP 1132195 A2 EP1132195 A2 EP 1132195A2
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- EP
- European Patent Office
- Prior art keywords
- plasma
- gas
- aerosol
- plasma chamber
- polymeric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14598—Coating tubular articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/14—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by electrical means
- B05D3/141—Plasma treatment
- B05D3/142—Pretreatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/14—Surface shaping of articles, e.g. embossing; Apparatus therefor by plasma treatment
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/36—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases using ionised gases, e.g. ionitriding
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/14—Surface shaping of articles, e.g. embossing; Apparatus therefor by plasma treatment
- B29C2059/145—Atmospheric plasma
Definitions
- the present invention relates to the use of an atmospheric plasma for finishing plastic and metal foils.
- finishing steps such as printing, coating, painting, Gluing, etc.
- plastic and metal foils if one sufficient wettability with solvent or water-based printing inks, Lacquers, primers, adhesives, etc. is given. In general, therefore, in or Corona treatment performed offline with the film processing.
- the web-shaped Materials exposed to an evenly distributed electrical discharge Prerequisite are two working electrodes, one with a dielectric material (Silicone, ceramic) is encased. There is a high between the two electrodes AC voltage with a frequency typically between 10 and 100 kHz, so that an even spark discharge takes place.
- the one to be treated Material is passed between the electrodes and exposed to discharge. This results in "bombardment" of the polymer surface with electrons, the energy of which is sufficient to form bonds between carbon-hydrogen and break up carbon-carbon.
- the radicals formed react with the corona gas and thereby form new functional groups. Furthermore finds a cleaning of the polymer or metal surface instead, since foil additives and Rolling oils are oxidized and distilled off.
- the corona treatment has significant disadvantages. So it happens especially at higher ones Orbital velocities to a parasitic backside corona discharge if the sheet-like materials do not rest on the roller-shaped electrode. Furthermore, the corona treatment leads to a clear electrostatic Charging the sheet-like materials that are winding the materials complicates the subsequent processing steps, such as painting, printing or Adhesion hinders and especially in the production of packaging films is responsible for powdered materials such as coffee or spices stick to the film and in the worst case contribute to leaky sealing seams. After all, the corona treatment is always a filament discharge that does not homogeneously closed surface effect. You also ask with time found that a loss of surface properties due to the migration of Foil additives occur and that a molecular rearrangement based on a Minimization of surface energy takes place.
- Corona treatment is limited to thin substrates such as plastic films and papers. For thicker materials, the total resistance is between the Electrodes too large to ignite the discharge. But it can also be too single punctures come. Corona discharge is not to be used for electrically conductive plastics. Dielectric electrodes also show metallic or metal-containing webs often only have a limited effect. The Dielectrics can burn out easily due to the permanent stress. This is particularly the case with silicone-coated electrodes. Ceramic electrodes are very sensitive to mechanical stress.
- surface treatments can also be carried out by Flames or lights are carried out.
- the flame treatment is common at temperatures around 1700 ° C and intervals between 5 and 150 mm. Because the foils temporarily reach high temperatures of around 140 ° C effective cooling must be carried out.
- the burner can help improve the already good treatment results the cooling roller are brought to an electrical potential that the ions of the Flame accelerated onto the web to be treated (polarized flame).
- the surface treatment of foils are especially those process parameters to be observed. Treatment intensity too low leads to minor, insufficient effects. Intensities too strong lead to melting of the surfaces, the functional groups dive inside and are therefore inaccessible. They are also disadvantageous high temperatures and the necessary safety precautions.
- the applicable safety regulations for example, do not allow pulsed operation a flame pretreatment plant. It is known that the selection of the burner gas allows only certain reactive species (ions and radicals) and that the Flame treatment costs are significantly higher than with corona treatment.
- the main disadvantage of the corona treatment the localized micro-discharges (Filaments) can be avoided by using a low pressure plasma become. These mostly “cold" plasmas are by means of equal, alternating or High frequency current or generated by microwaves. With only low thermal Loads on the - usually sensitive - material to be treated become high-energy and chemically active particles are provided. These bring about a targeted chemical reaction with the material surface since the processes in the gas phase low pressure in a particularly effective manner and the discharge as represents a homogeneous space discharge cloud. With microwave excitations in the Giga-Hz range can fill entire reactor vessels with plasma discharge. in the Compared to wet chemical processes are extremely small amounts of processing agents necessary.
- SiOx-based layers of organosilicon compounds such as tetramethylsilane (TMS), tetarethoxysilane (TEOS) or hexamethyldisiloxane (HMDSO), polymer-like hydrocarbon layers made of hydrocarbons such as methane, acetylene or propargyl alcohol and fluorinated carbon layers from fluorinated hydrocarbons such as tetrafluoroethene.
- TMS tetramethylsilane
- TEOS tetarethoxysilane
- HMDSO hexamethyldisiloxane
- polymer-like hydrocarbon layers made of hydrocarbons such as methane, acetylene or propargyl alcohol and fluorinated carbon layers from fluorinated hydrocarbons such as tetrafluoroethene.
- DE-A-195 32 412 describes a device for pretreating surfaces Described with the help of a plasma jet.
- a highly reactive plasma jet is obtained which approximately has the shape and has the dimensions of a candle flame and thus also the treatment of Profile parts with a relatively deep relief permitted. Because of the high Reactivity of the plasma jet is sufficient for a very short pretreatment, so that the workpiece at a correspondingly high speed on the plasma jet can be passed.
- a battery of several staggered Plasma nozzles have been proposed. In this case, however, is a very high one apparatus expenditure required. Since the nozzles partially overlap, it also becomes strip-like in the treatment of sheet-like materials Treatment patterns are coming.
- DE-A-298 05 999 describes a device for the plasma treatment of surfaces described, which is characterized by a rotary head, the at least one Eccentrically arranged plasma nozzle for generating a parallel to the axis of rotation directed plasma beam. If the workpiece is relatively high Speed rotating rotating head is moved, the plasma jet sweeps a strip-like surface zone of the workpiece, the width of which Diameter of the circle described by the plasma nozzle when rotating corresponds. In this way it can be done with a comparatively small a relatively large surface can be rationally pretreated in terms of equipment. Nevertheless, the surface dimensions do not correspond to those like them usually when processing film materials on an industrial scale available.
- the task was surfaces of plastic and Treat metal foils homogeneously or to coat, so that subsequent Finishing steps, such as printing, coating, painting, Glue, etc. without wetting problems and with good adhesive properties to let.
- the aim was to offer a process that the through Low-pressure plasmas (batch operation, costs), corona (filament-shaped discharge, Backside treatment, electrostatic charging, etc.) and plasma nozzles (strip-like surface treatment) given disadvantages.
- the metallic materials used according to the invention have a thickness of less than 100 ⁇ m.
- An atmospheric indirect plasmatron which can be used according to the invention is e.g. described in EP-A-851 720 (incorporated by reference).
- the burner is characterized by two coaxially spaced apart Electrodes. A direct current arc burns between these, through an cascaded arrangement of freely adjustable length is wall stabilized. Through a Blowing transversely to the arc axis can be a band-shaped, laterally flowing Exit the plasma jet.
- This burner also called plasma broad-beam burner, is also characterized in that a magnetic field exerts a force on the arc that is exerted by the flow of the plasma gas on the arc Counteracts force.
- the burner can also be of various types Plasma gases are supplied.
- an indirect plasmatron with an elongated one Plasma chamber uses a cascaded structure of a plurality of electrical mutually insulated neutrodes, which are used to generate the plasma light gas required electrodes coaxial to the longitudinal axis of the plasma chamber are arranged and the plasma jet outlet opening parallel to the longitudinal axis of the Plasma chamber runs is used.
- At least one neutrode with a permanent magnet pair to influence the shape and position of the plasma arc. Due to the number, placement and field strength of the magnets used, you can Operating parameters such as gas volume and gas speed be taken.
- the possibility of supplying a gas and / or aerosol in the Plasma chamber can be provided. This allows this plasma gas to arc be fed in a particularly targeted and homogeneous manner. By blowing transversely a band-shaped plasma free jet flowing out laterally to the arc axis can emerge.
- Another object of the invention is a method for fully homogeneous or partial surface treatment of a web-shaped moving over pairs of rollers polymeric or metallic material, which is characterized in that an indirect plasmatron, which has an elongated plasma chamber, the in cascaded construction comprises a plurality of electrically isolated neutrodes used according to the invention. These are the ones used to generate the plasma arc required electrodes arranged coaxially to the longitudinal axis of the plasma chamber and the plasma outlet opening runs parallel to the longitudinal axis of the plasma chamber.
- the atmospheric plasma may act by supplying a gas or Gas mixture, and / or an aerosol or aerosol mixture or a combination of gases and aerosols on the surface of the polymeric or metallic Materials.
- the metallic material used according to the invention has a thickness less than 100 ⁇ m.
- the method for surface treatment described according to the invention can be both after a film production and before further processing, i.e. perform before printing, laminating, coating, etc. of foils.
- the thickness of the polymeric film materials is essentially irrelevant and moves in the thickness range of 0.5 ⁇ m and 2 cm, preferably in the range between 10 and 200 ⁇ m.
- the method for surface treatment described according to the invention can be used on polymeric materials, but also for the treatment of metallic substrates, but in particular on plastic and metal foils.
- the method according to the invention can also be applied to polymeric sheet-like materials which are optionally vapor-coated with metal, metal oxides or SiO x .
- plastic films in particular understood those made of a thermoplastic material, in particular Polyolefins such as polyethylene (PE) or polypropylene (PP), made of polyester such as Polyethylene terephthalate (PET), polybutylene terephthalate (PBT) or liquid crystalline Polyesters (LCP), from polyamides such as nylon 6,6; 4.6; 6; 6.10; 11; 12; polyvinyl chloride (PVC), polyvinyl dichloride (PVDC), polycarbonate (PC), made of polyvinyl alcohol (PVOH), made of polyvinyl vinyl alcohol (EVOH)
- PAN polyacrylonitrile
- ABS polyacrylic butadiene styrene
- ABS polystyrene acrylonitrile
- ASA polyacrylic ester-styrene-acrylonitrile
- PS polyacrylates, such as polymethyl methacrylate (PMMA), from cellophan
- Plastic films are also understood to mean those which consist of a thermoplastic material and with a metal of the 3rd main group or the 1st or 2nd subgroup or with SiO x or a metal oxide of the 2nd or 3rd main group or the 1st or 2. Subgroup are steamed.
- Metal foils are foils made of aluminum, copper, gold, Silver, iron (steel) or alloys of the metals mentioned.
- Plasma grafting or a plasma coating (plasma polymerization) on or on the surface.
- the extremely reactive species of plasma gas can also have a cleaning and even sterilizing effect on the surface, so that according to the invention also a surface treatment Surface cleaning or surface disinfection is understood.
- the polarization of the polymer surface leads to an increase in Surface tension. This ensures complete wetting with polar Liquids such as alcohols or water allows.
- the Polarization occurs when atoms or molecular fragments - excited by the Plasma - react with surface molecules and consequently into the surface to be built in. Since these are mostly fragments containing oxygen or nitrogen, also speaks of surface oxidation.
- a surface grafting occurs when a targeted installation by a reaction of molecules, preferably on the polymer surface. So reacted for example carbon dioxide with hydrocarbon compounds to form Carboxyl groups.
- a plasma coating is characterized in that a reactive plasma gas closed by a kind of polymerization on the surface is deposited. This makes it possible to release, barrier, Antifog or generally protective layers on the plastic and metal foils to manufacture.
- a surface cleaning is characterized in that on the surface deposited impurities, additives or low molecular weight components are oxidized and be vaporized. Disinfection occurs when the number of germs in the Type is reduced so that it is below the critical germ concentration.
- the plasma gas used in the method according to the invention is included characterized in that it consists of mixtures of reactive and inert There are gases and / or aerosols. It comes from the high energy in the arc for excitation, ionization, fragmentation or radical formation of the reactive gas and / or aerosoles. Due to the flow direction of the plasma gas, the active species are carried out of the burner chamber and can be used for Interaction with the surface of plastic and metal foils brought become.
- the oxidizing process gas and / or aerosol can be used in concentrations of 0 to 100%, preferably between 5 and 95%.
- Oxygen-containing gases and / or aerosols such as oxygen (O 2 ), carbon dioxide (CO 2 ), carbon monoxide (CO), ozone (O 3 ), hydrogen peroxide gas (H 2 O 2 ) and water vapor are preferably used as oxidizing plasma gases and / or aerosols (H 2 O), evaporated methanol (CH 3 OH), nitrogen-containing gases and / or aerosols such as nitrous gases (NO x ), nitrous oxide (N 2 O), nitrogen (N 2 ), ammonia (NH 3 ), hydrazine (H 2 N 4 ), sulfur-containing gases and / or aerosols such as sulfur dioxide (SO 2 ), sulfur trioxide (SO 3 ), fluorine-containing gases and / or aerosols such as terafluorocarbon (CF 4 ), sulfur hexafluoride (SF 6 ), xenon difluoride (XEF 2 ), nitrogen trifluoride (NF 3 ), boron trifluoride (BF 3
- Crosslinkable plasma gases and / or aerosols are preferably unsaturated hydrocarbons such as ethylene, propylene, butene, acetylene; saturated hydrocarbons with the general composition C n H 2n + 2 , such as methane, ethane, propane, butane, pentane, iso-propane, iso-butane; Vinyl compounds such as vinyl acetate, methyl vinyl ether; Acrylates such as acrylic acid, methacrylic acid, methyl methacrylate; Silanes with the general composition Si n H 2n + 2 , halogenated silicon hydrides such as SiCl 4 , SiCl 3 H, SiCl 2 H 2 , SiClH 3 , alkoxysilanes such as teraethoxysilane; Hexamethyldisilazane; Hexamethyldisiloxane used.
- unsaturated hydrocarbons such as ethylene, propylene, butene, acetylene
- Maleic anhydride, acrylic acid compounds, vinyl compounds, carbon dioxide (CO 2 ) are preferably used as graftable process gases and / or aerosols.
- the active and the inert gas and / or aerosol is preferably used in a preliminary stage mixed and then introduced into the zone of the arc discharge.
- certain gas and / or aerosol mixtures such as for example, oxygen and silanes immediately before being introduced into the zone of Arc discharge mixed.
- Such plasmas used in the method according to the invention are characterized in that that their temperatures in the area of the arch at several 10,000 Kelvin lie. As the escaping plasma gas still has temperatures in the range of 1000 to 2000 Kelvin is sufficient cooling of the temperature sensitive polymeric materials necessary. This can generally be done by an effectively working cooling roller.
- the contact time of plasma gas and foil material is very important. This should preferably be reduced to a minimum so that a thermal No damage to the materials. A minimal contact time is always through reached an increased web speed.
- the web speeds of the foils is usually higher than 1 m per minute, it is preferably between 20 and 600 m per minute.
- the plastic and metal foils in very little Pass the distance past the burner opening (nozzle). This is preferably done at a distance of 0 to 40 mm, particularly preferably at a distance of 1 to 15 mm.
- each neutrode of the plasma torch has an outlet opening For the plasma gas, this can provide the arc in a targeted and homogeneous manner be fed.
- the band-shaped plasma-free jet flowing out to the side leads therefore a particularly homogeneous processing of the surface.
- the relevant properties of the following film samples were as follows measured.
- the thermal damage to the film sections was visual or by microscopic examinations assessed.
- the determination of the surface tension was carried out with commercially available test inks from Arcotec fatiguentechnik GmbH according to DIN 53364 or ASTM D 2587.
- the specification of the surface tension was done in mN / m.
- the measurements were carried out immediately after treatment. The measurement errors are ⁇ 2 mN / m.
- the determination of Element distribution on the film surface was carried out by means of ESCA measurements (Photoelectron spectroscopy). The element distribution was specified in percent.
- PE 1 Single-layer, 50 ⁇ thick, one-sided corona-treated, transparent blown film made of an ethylene-butene copolymer (LLDPE, ⁇ 10% butene) with a density of 0.935 g / cm 3 and a melt flow index (MFI) of 0.5 g / 10 min (DIN ISO 1133 Condition D).
- LLDPE ethylene-butene copolymer
- MFI melt flow index
- PE 2 Single-layer, 50 ⁇ thick, one-sided corona-pretreated, transparent blown film made of an ethylene-vinyl acetate copolymer (3.5% vinyl acetate) with approx. 600 ppm lubricant (erucic acid amide (ESA)) and approx. 1000 ppm antiblocking agent (SiO 2 ), with a density of 0.93 g / cm 3 and a melt flow index (MFI) of 2 g / 10 min (DIN ISO 1133 Condition D).
- ESA ppm lubricant
- SiO 2 ppm antiblocking agent
- BOPP 1 Single-layer, 20 ⁇ thick, one-sided corona-pretreated, transparent, biaxially oriented film made of polypropylene with approx. 80 ppm antiblocking agent (SiO 2 ), with a density of 0.91 g / cm 3 and a melt flow index (MFI) of 3 g / 10 min at 230 ° C.
- SiO 2 antiblocking agent
- BOPP 2 Coextruded, three-layer, 20 ⁇ thick, one-sided corona-pretreated, transparent, biaxially oriented film made of polypropylene with approx. 2500 ppm antiblocking agent (SiO 2 ) in the outer layers), with a density of 0.91 g / cm 3 and a melt flow index (MFI) of 3 g / 10 min at 230 ° C.
- SiO 2 ppm antiblocking agent
- MFI melt flow index
- PET Commercial, single-layer, 12 ⁇ thick, one-sided corona-pretreated, biaxially oriented film made of polyethylene terephthalate.
- PA Commercial, single-layer, 15 ⁇ thick, one-sided corona-treated, biaxially oriented film made of nylon 6.
- PE 1 No. 4 to 7, Table 1
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- Treatments Of Macromolecular Shaped Articles (AREA)
- Treatment Of Fiber Materials (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
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Abstract
Description
Claims (10)
- Verwendung eines indirekten atmosphärischen Plasmatrons zur homogenen voll- oder teilflächigen Oberflächenbehandlung oder Beschichtung bahnförmiger metallischer Werkstoffe mit einer Dicke kleiner als 100µm oder bahnförmiger polymerer Werkstoffe.
- Verwendung nach Anspruch 1, dadurch gekennzeichnet, dass ein indirektes Plasmatron mit einer länglichen Plasmakammer, die in kaskadiertem Aufbau eine Mehrzahl von elektrisch gegeneinander isolierten Neutroden umfasst, wobei die zur Erzeugung des Plasma-Lichtgas erforderlichen Elektroden koaxial zur Längsachse der Plasmakammer angeordnet sind und die Plasmastrahl-Austrittsöffnung parallel zur Längsachse der Plasmakammer verläuft, verwendet wird.
- Verwendung nach Anspruch 2, dadurch gekennzeichnet, dass ein indirektes Plasmatron, bei dem zumindest eine Neutrode mit einem Permanentmagneten-Paar zur Beeinflussung der Form und der Position des Plasma-Lichtbogens versehen ist, verwendet wird.
- Verwendung nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass ein indirektes Plamatron, das mit einer Möglichkeit zur Zuführung eines Gases und/oder Aeroslos in die Plasmakammer versehen ist, verwendet wird.
- Verfahren zur homogenen voll- oder teilflächigen Oberflächenbehandlung oder Beschichtung eines über Walzenpaare bewegten bahnförmigen metallischen Werkstoffes mit einer Dicke kleiner als 100µm oder eines bahnförmigen polymeren Werkstoffes, dadurch gekennzeichnet, dass man ein durch ein indirektes Plasmatron, welches eine längliche Plasmakammer aufweist, die in kaskadiertem Aufbau eine Mehrzahl von elektrisch isolierten Neutroden umfasst, wobei die zur Erzeugung des Plasma-Lichtbogens erforderlichen Elektroden koaxial zur Längsachse der Plasmakammer angeordnet sind und die Plasmastrahlaustrittsöffnung parallel zur Längsachse der Plasmakammer verläuft, erzeugtes atmosphärisches Plasma gegebenenfalls unter Zuführung eines Gases und/oder Aerosoles oder eines Gemisches daraus auf die Oberfläche des polymeren oder metallischen Werkstoffes einwirken lässt.
- Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass die polymeren bahnförmigen Werkstoffe gegebenenfalls mit Metall, Metalloxid oder SiOx bedampfte Kunststofffolien sind.
- Verfahren nach Anspruch 5 und 6, dadurch gekennzeichnet, dass die Oberflächenbehandlung eine Erhöhung der Oberflächenspannung, eine Oberflächenpfropfung, eine Oberflächenreinigung oder eine Oberflächenentkeimung ist.
- Verfahren nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass man im Gemisch mit einem Inertgas ein oxidierend wirkendes Gas und/oder Aerosol, ein vernetzbares Gas und/oder Aerosol oder ein pfropfbares Gas und/oder Aerosol zuführt.
- Verfahren nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, dass die bahnförmigen polymeren oder metallischen Werkstoffe mit einer Geschwindigkeit im Bereich von 1 und 600 m pro Minute bewegt werden.
- Verfahren nach einem der Ansprüche 5 bis 9, dadurch gekennzeichnet, dass man das atmosphärische Plasma in einem Abstand von 0 bis 40 mm auf den polymeren oder metallischen Werkstoff einwirken lässt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10011276 | 2000-03-08 | ||
DE10011276A DE10011276A1 (de) | 2000-03-08 | 2000-03-08 | Verwendung eines indirrekten atomosphärischen Plasmatrons zur Oberflächenbehandlung oder Beschichtung bahnförmiger Werkstoffe sowie ein Verfahren zur Behandlung oder Beschichtung bahnförmiger Werkstoffe |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1132195A2 true EP1132195A2 (de) | 2001-09-12 |
EP1132195A3 EP1132195A3 (de) | 2003-04-23 |
EP1132195B1 EP1132195B1 (de) | 2008-01-09 |
Family
ID=7633971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01103656A Expired - Lifetime EP1132195B1 (de) | 2000-03-08 | 2001-02-23 | Oberflächenbehandlung oder Beschichtung bahnförmiger Werkstoffe mittels eines indirekten atmosphärischen Plasmatrons |
Country Status (11)
Country | Link |
---|---|
US (1) | US6613394B2 (de) |
EP (1) | EP1132195B1 (de) |
JP (1) | JP2001295051A (de) |
AT (1) | ATE383239T1 (de) |
BR (1) | BR0100938A (de) |
CA (1) | CA2339673A1 (de) |
DE (2) | DE10011276A1 (de) |
MX (1) | MXPA01002478A (de) |
NO (1) | NO20011154L (de) |
PL (1) | PL346292A1 (de) |
RU (1) | RU2001106187A (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002059391A1 (de) * | 2001-01-25 | 2002-08-01 | Friedrich-Alexander-Universität Erlangen-Nürnberg | Ultradünne deckschichten auf metallischen substraten, verfahren zu ihrer herstellung und ihre verwendung |
FR2833513A1 (fr) * | 2001-12-19 | 2003-06-20 | Air Liquide | Procede de traitement de surface de substrats en polyolefine |
WO2007071720A1 (de) * | 2005-12-20 | 2007-06-28 | Plasmatreat Gmbh | Verfahren und vorrichtung zur desinfektion von gegenständen |
EP2468422A1 (de) * | 2010-12-22 | 2012-06-27 | Dizayn Grup Teknoloji Arastirma ve Gelistirme San. Tic. A.S. | Verfahren zur Herstellung einer polymerbeschichteten Kupfer-Zink-Legierungsstruktur mit besserer Haftung |
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- 2001-02-23 DE DE50113461T patent/DE50113461D1/de not_active Expired - Fee Related
- 2001-02-23 EP EP01103656A patent/EP1132195B1/de not_active Expired - Lifetime
- 2001-03-01 JP JP2001056767A patent/JP2001295051A/ja active Pending
- 2001-03-06 CA CA002339673A patent/CA2339673A1/en not_active Abandoned
- 2001-03-06 PL PL01346292A patent/PL346292A1/xx not_active Application Discontinuation
- 2001-03-06 US US09/800,369 patent/US6613394B2/en not_active Expired - Fee Related
- 2001-03-07 NO NO20011154A patent/NO20011154L/no unknown
- 2001-03-07 RU RU2001106187/02A patent/RU2001106187A/ru not_active Application Discontinuation
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- 2001-03-08 MX MXPA01002478A patent/MXPA01002478A/es unknown
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Cited By (6)
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WO2002059391A1 (de) * | 2001-01-25 | 2002-08-01 | Friedrich-Alexander-Universität Erlangen-Nürnberg | Ultradünne deckschichten auf metallischen substraten, verfahren zu ihrer herstellung und ihre verwendung |
FR2833513A1 (fr) * | 2001-12-19 | 2003-06-20 | Air Liquide | Procede de traitement de surface de substrats en polyolefine |
WO2003053657A1 (fr) * | 2001-12-19 | 2003-07-03 | L'air Liquide, Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude | Procede de traitement de surface de substrats en polyolefine |
WO2007071720A1 (de) * | 2005-12-20 | 2007-06-28 | Plasmatreat Gmbh | Verfahren und vorrichtung zur desinfektion von gegenständen |
EP2468422A1 (de) * | 2010-12-22 | 2012-06-27 | Dizayn Grup Teknoloji Arastirma ve Gelistirme San. Tic. A.S. | Verfahren zur Herstellung einer polymerbeschichteten Kupfer-Zink-Legierungsstruktur mit besserer Haftung |
WO2018019756A1 (de) * | 2016-07-28 | 2018-02-01 | Thyssenkrupp System Engineering Gmbh | Applikationseinheit zum anbringen eines dichtungsprofils und verfahren |
Also Published As
Publication number | Publication date |
---|---|
RU2001106187A (ru) | 2003-01-27 |
DE50113461D1 (de) | 2008-02-21 |
BR0100938A (pt) | 2001-10-30 |
PL346292A1 (en) | 2001-09-10 |
EP1132195A3 (de) | 2003-04-23 |
NO20011154L (no) | 2001-09-09 |
US20020012756A1 (en) | 2002-01-31 |
CA2339673A1 (en) | 2001-09-08 |
MXPA01002478A (es) | 2003-08-20 |
NO20011154D0 (no) | 2001-03-07 |
ATE383239T1 (de) | 2008-01-15 |
DE10011276A1 (de) | 2001-09-13 |
US6613394B2 (en) | 2003-09-02 |
EP1132195B1 (de) | 2008-01-09 |
JP2001295051A (ja) | 2001-10-26 |
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